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+package com.ruoyi.common.utils.poi;
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+
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+import java.io.File;
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+import java.io.FileOutputStream;
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+import java.io.IOException;
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+import java.io.InputStream;
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+import java.io.OutputStream;
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+import java.lang.reflect.Field;
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+import java.lang.reflect.Method;
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+import java.math.BigDecimal;
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+import java.text.DecimalFormat;
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+import java.util.ArrayList;
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+import java.util.Arrays;
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+import java.util.Date;
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+import java.util.HashMap;
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+import java.util.List;
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+import java.util.Map;
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+import java.util.UUID;
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+import org.apache.poi.hssf.usermodel.HSSFDateUtil;
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+import org.apache.poi.ss.usermodel.BorderStyle;
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+import org.apache.poi.ss.usermodel.Cell;
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+import org.apache.poi.ss.usermodel.CellStyle;
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+import org.apache.poi.ss.usermodel.CellType;
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+import org.apache.poi.ss.usermodel.DataValidation;
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+import org.apache.poi.ss.usermodel.DataValidationConstraint;
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+import org.apache.poi.ss.usermodel.DataValidationHelper;
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+import org.apache.poi.ss.usermodel.DateUtil;
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+import org.apache.poi.ss.usermodel.FillPatternType;
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+import org.apache.poi.ss.usermodel.Font;
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+import org.apache.poi.ss.usermodel.HorizontalAlignment;
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+import org.apache.poi.ss.usermodel.IndexedColors;
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+import org.apache.poi.ss.usermodel.Row;
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+import org.apache.poi.ss.usermodel.Sheet;
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+import org.apache.poi.ss.usermodel.VerticalAlignment;
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+import org.apache.poi.ss.usermodel.Workbook;
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+import org.apache.poi.ss.usermodel.WorkbookFactory;
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+import org.apache.poi.ss.util.CellRangeAddressList;
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+import org.apache.poi.xssf.streaming.SXSSFWorkbook;
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+import org.apache.poi.xssf.usermodel.XSSFDataValidation;
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+import org.slf4j.Logger;
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+import org.slf4j.LoggerFactory;
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+import com.ruoyi.framework.aspectj.lang.annotation.Excel;
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+import com.ruoyi.framework.aspectj.lang.annotation.Excel.ColumnType;
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+import com.ruoyi.framework.aspectj.lang.annotation.Excel.Type;
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+import com.ruoyi.framework.aspectj.lang.annotation.Excels;
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+import com.ruoyi.framework.config.RuoYiConfig;
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+import com.ruoyi.framework.web.domain.AjaxResult;
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+import com.ruoyi.common.core.text.Convert;
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+import com.ruoyi.common.exception.CustomException;
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+import com.ruoyi.common.utils.DateUtils;
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+import com.ruoyi.common.utils.StringUtils;
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+import com.ruoyi.common.utils.reflect.ReflectUtils;
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+
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+/**
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+ * Excel相关处理
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+ *
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+ * @author ruoyi
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+ */
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+public class ExcelUtil<T>
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+{
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+ private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
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+
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+ /**
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+ * Excel sheet最大行数,默认65536
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+ */
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+ public static final int sheetSize = 65536;
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+
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+ /**
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+ * 工作表名称
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+ */
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+ private String sheetName;
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+
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+ /**
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+ * 导出类型(EXPORT:导出数据;IMPORT:导入模板)
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+ */
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+ private Type type;
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+
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+ /**
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+ * 工作薄对象
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+ */
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+ private Workbook wb;
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+
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+ /**
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+ * 工作表对象
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+ */
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+ private Sheet sheet;
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+
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+ /**
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+ * 样式列表
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+ */
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+ private Map<String, CellStyle> styles;
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+
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+ /**
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+ * 导入导出数据列表
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+ */
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+ private List<T> list;
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+
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+ /**
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+ * 注解列表
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+ */
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+ private List<Object[]> fields;
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+
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+ /**
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+ * 实体对象
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+ */
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+ public Class<T> clazz;
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+
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+ public ExcelUtil(Class<T> clazz)
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+ {
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+ this.clazz = clazz;
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+ }
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+
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+ public void init(List<T> list, String sheetName, Type type)
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+ {
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+ if (list == null)
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+ {
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+ list = new ArrayList<T>();
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+ }
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+ this.list = list;
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+ this.sheetName = sheetName;
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+ this.type = type;
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+ createExcelField();
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+ createWorkbook();
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+ }
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+
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+ /**
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+ * 对excel表单默认第一个索引名转换成list
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+ *
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+ * @param is 输入流
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+ * @return 转换后集合
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+ */
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+ public List<T> importExcel(InputStream is) throws Exception
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+ {
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+ return importExcel(StringUtils.EMPTY, is);
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+ }
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+
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+ /**
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+ * 对excel表单指定表格索引名转换成list
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+ *
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+ * @param sheetName 表格索引名
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+ * @param is 输入流
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+ * @return 转换后集合
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+ */
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+ public List<T> importExcel(String sheetName, InputStream is) throws Exception
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+ {
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+ this.type = Type.IMPORT;
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+ this.wb = WorkbookFactory.create(is);
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+ List<T> list = new ArrayList<T>();
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+ Sheet sheet = null;
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+ if (StringUtils.isNotEmpty(sheetName))
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+ {
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+ // 如果指定sheet名,则取指定sheet中的内容.
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+ sheet = wb.getSheet(sheetName);
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+ }
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+ else
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+ {
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+ // 如果传入的sheet名不存在则默认指向第1个sheet.
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+ sheet = wb.getSheetAt(0);
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+ }
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+
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+ if (sheet == null)
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+ {
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+ throw new IOException("文件sheet不存在");
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+ }
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+
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+ int rows = sheet.getPhysicalNumberOfRows();
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+
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+ if (rows > 0)
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+ {
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+ // 定义一个map用于存放excel列的序号和field.
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+ Map<String, Integer> cellMap = new HashMap<String, Integer>();
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+ // 获取表头
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+ Row heard = sheet.getRow(0);
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+ for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++)
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+ {
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+ Cell cell = heard.getCell(i);
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+ if (StringUtils.isNotNull(cell != null))
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+ {
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+ String value = this.getCellValue(heard, i).toString();
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+ cellMap.put(value, i);
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+ }
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+ else
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+ {
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+ cellMap.put(null, i);
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+ }
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+ }
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+ // 有数据时才处理 得到类的所有field.
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+ Field[] allFields = clazz.getDeclaredFields();
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+ // 定义一个map用于存放列的序号和field.
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+ Map<Integer, Field> fieldsMap = new HashMap<Integer, Field>();
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+ for (int col = 0; col < allFields.length; col++)
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+ {
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+ Field field = allFields[col];
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+ Excel attr = field.getAnnotation(Excel.class);
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+ if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
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+ {
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+ // 设置类的私有字段属性可访问.
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+ field.setAccessible(true);
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+ Integer column = cellMap.get(attr.name());
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+ fieldsMap.put(column, field);
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+ }
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+ }
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+ for (int i = 1; i < rows; i++)
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+ {
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+ // 从第2行开始取数据,默认第一行是表头.
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+ Row row = sheet.getRow(i);
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+ T entity = null;
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+ for (Map.Entry<Integer, Field> entry : fieldsMap.entrySet())
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+ {
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+ Object val = this.getCellValue(row, entry.getKey());
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+
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+ // 如果不存在实例则新建.
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+ entity = (entity == null ? clazz.newInstance() : entity);
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+ // 从map中得到对应列的field.
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+ Field field = fieldsMap.get(entry.getKey());
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+ // 取得类型,并根据对象类型设置值.
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+ Class<?> fieldType = field.getType();
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+ if (String.class == fieldType)
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+ {
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+ String s = Convert.toStr(val);
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+ if (StringUtils.endsWith(s, ".0"))
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+ {
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+ val = StringUtils.substringBefore(s, ".0");
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+ }
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+ else
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+ {
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+ val = Convert.toStr(val);
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+ }
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+ }
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+ else if ((Integer.TYPE == fieldType) || (Integer.class == fieldType))
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+ {
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+ val = Convert.toInt(val);
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+ }
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+ else if ((Long.TYPE == fieldType) || (Long.class == fieldType))
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+ {
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+ val = Convert.toLong(val);
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+ }
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+ else if ((Double.TYPE == fieldType) || (Double.class == fieldType))
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+ {
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+ val = Convert.toDouble(val);
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+ }
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+ else if ((Float.TYPE == fieldType) || (Float.class == fieldType))
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+ {
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+ val = Convert.toFloat(val);
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+ }
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+ else if (BigDecimal.class == fieldType)
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+ {
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+ val = Convert.toBigDecimal(val);
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+ }
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+ else if (Date.class == fieldType)
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+ {
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+ if (val instanceof String)
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+ {
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+ val = DateUtils.parseDate(val);
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+ }
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+ else if (val instanceof Double)
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+ {
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+ val = DateUtil.getJavaDate((Double) val);
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+ }
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+ }
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+ if (StringUtils.isNotNull(fieldType))
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+ {
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+ Excel attr = field.getAnnotation(Excel.class);
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+ String propertyName = field.getName();
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+ if (StringUtils.isNotEmpty(attr.targetAttr()))
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+ {
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+ propertyName = field.getName() + "." + attr.targetAttr();
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+ }
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+ else if (StringUtils.isNotEmpty(attr.readConverterExp()))
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+ {
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+ val = reverseByExp(String.valueOf(val), attr.readConverterExp());
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+ }
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+ ReflectUtils.invokeSetter(entity, propertyName, val);
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+ }
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+ }
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+ list.add(entity);
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+ }
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+ }
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+ return list;
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+ }
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+
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+ /**
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+ * 对list数据源将其里面的数据导入到excel表单
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+ *
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+ * @param list 导出数据集合
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+ * @param sheetName 工作表的名称
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+ * @return 结果
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+ */
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+ public AjaxResult exportExcel(List<T> list, String sheetName)
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+ {
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+ this.init(list, sheetName, Type.EXPORT);
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+ return exportExcel();
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+ }
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+
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+ /**
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+ * 对list数据源将其里面的数据导入到excel表单
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+ *
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+ * @param sheetName 工作表的名称
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+ * @return 结果
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+ */
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+ public AjaxResult importTemplateExcel(String sheetName)
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+ {
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+ this.init(null, sheetName, Type.IMPORT);
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+ return exportExcel();
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+ }
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+
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+ /**
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+ * 对list数据源将其里面的数据导入到excel表单
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+ *
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+ * @return 结果
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+ */
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+ public AjaxResult exportExcel()
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+ {
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+ OutputStream out = null;
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+ try
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+ {
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+ // 取出一共有多少个sheet.
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+ double sheetNo = Math.ceil(list.size() / sheetSize);
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+ for (int index = 0; index <= sheetNo; index++)
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+ {
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+ createSheet(sheetNo, index);
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+
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+ // 产生一行
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+ Row row = sheet.createRow(0);
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+ int column = 0;
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+ // 写入各个字段的列头名称
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+ for (Object[] os : fields)
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+ {
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+ Excel excel = (Excel) os[1];
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+ this.createCell(excel, row, column++);
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+ }
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+ if (Type.EXPORT.equals(type))
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+ {
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+ fillExcelData(index, row);
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+ }
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+ }
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+ String filename = encodingFilename(sheetName);
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+ out = new FileOutputStream(getAbsoluteFile(filename));
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+ wb.write(out);
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+ return AjaxResult.success(filename);
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+ }
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+ catch (Exception e)
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+ {
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+ log.error("导出Excel异常{}", e.getMessage());
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+ throw new CustomException("导出Excel失败,请联系网站管理员!");
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+ }
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+ finally
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+ {
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+ if (wb != null)
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+ {
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+ try
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+ {
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+ wb.close();
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+ }
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+ catch (IOException e1)
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+ {
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+ e1.printStackTrace();
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+ }
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+ }
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+ if (out != null)
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+ {
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+ try
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+ {
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+ out.close();
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+ }
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+ catch (IOException e1)
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+ {
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+ e1.printStackTrace();
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+ }
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 填充excel数据
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+ *
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+ * @param index 序号
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+ * @param row 单元格行
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+ */
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+ public void fillExcelData(int index, Row row)
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+ {
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+ int startNo = index * sheetSize;
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+ int endNo = Math.min(startNo + sheetSize, list.size());
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+ for (int i = startNo; i < endNo; i++)
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+ {
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+ row = sheet.createRow(i + 1 - startNo);
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+ // 得到导出对象.
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+ T vo = (T) list.get(i);
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+ int column = 0;
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+ for (Object[] os : fields)
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+ {
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+ Field field = (Field) os[0];
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+ Excel excel = (Excel) os[1];
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+ // 设置实体类私有属性可访问
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+ field.setAccessible(true);
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+ this.addCell(excel, row, vo, field, column++);
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 创建表格样式
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+ *
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+ * @param wb 工作薄对象
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+ * @return 样式列表
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+ */
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+ private Map<String, CellStyle> createStyles(Workbook wb)
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+ {
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+ // 写入各条记录,每条记录对应excel表中的一行
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+ Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
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+ CellStyle style = wb.createCellStyle();
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+ style.setAlignment(HorizontalAlignment.CENTER);
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+ style.setVerticalAlignment(VerticalAlignment.CENTER);
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+ style.setBorderRight(BorderStyle.THIN);
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+ style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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+ style.setBorderLeft(BorderStyle.THIN);
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+ style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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+ style.setBorderTop(BorderStyle.THIN);
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+ style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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|
|
+ style.setBorderBottom(BorderStyle.THIN);
|
|
|
+ style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
|
|
+ Font dataFont = wb.createFont();
|
|
|
+ dataFont.setFontName("Arial");
|
|
|
+ dataFont.setFontHeightInPoints((short) 10);
|
|
|
+ style.setFont(dataFont);
|
|
|
+ styles.put("data", style);
|
|
|
+
|
|
|
+ style = wb.createCellStyle();
|
|
|
+ style.cloneStyleFrom(styles.get("data"));
|
|
|
+ style.setAlignment(HorizontalAlignment.CENTER);
|
|
|
+ style.setVerticalAlignment(VerticalAlignment.CENTER);
|
|
|
+ style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
|
|
+ style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
|
|
|
+ Font headerFont = wb.createFont();
|
|
|
+ headerFont.setFontName("Arial");
|
|
|
+ headerFont.setFontHeightInPoints((short) 10);
|
|
|
+ headerFont.setBold(true);
|
|
|
+ headerFont.setColor(IndexedColors.WHITE.getIndex());
|
|
|
+ style.setFont(headerFont);
|
|
|
+ styles.put("header", style);
|
|
|
+
|
|
|
+ return styles;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 创建单元格
|
|
|
+ */
|
|
|
+ public Cell createCell(Excel attr, Row row, int column)
|
|
|
+ {
|
|
|
+ // 创建列
|
|
|
+ Cell cell = row.createCell(column);
|
|
|
+ // 写入列信息
|
|
|
+ cell.setCellValue(attr.name());
|
|
|
+ setDataValidation(attr, row, column);
|
|
|
+ cell.setCellStyle(styles.get("header"));
|
|
|
+ return cell;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 设置单元格信息
|
|
|
+ *
|
|
|
+ * @param value 单元格值
|
|
|
+ * @param attr 注解相关
|
|
|
+ * @param cell 单元格信息
|
|
|
+ */
|
|
|
+ public void setCellVo(Object value, Excel attr, Cell cell)
|
|
|
+ {
|
|
|
+ if (ColumnType.STRING == attr.cellType())
|
|
|
+ {
|
|
|
+ cell.setCellType(CellType.NUMERIC);
|
|
|
+ cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix());
|
|
|
+ }
|
|
|
+ else if (ColumnType.NUMERIC == attr.cellType())
|
|
|
+ {
|
|
|
+ cell.setCellType(CellType.NUMERIC);
|
|
|
+ cell.setCellValue(Integer.parseInt(value + ""));
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 创建表格样式
|
|
|
+ */
|
|
|
+ public void setDataValidation(Excel attr, Row row, int column)
|
|
|
+ {
|
|
|
+ if (attr.name().indexOf("注:") >= 0)
|
|
|
+ {
|
|
|
+ sheet.setColumnWidth(column, 6000);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ // 设置列宽
|
|
|
+ sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
|
|
|
+ row.setHeight((short) (attr.height() * 20));
|
|
|
+ }
|
|
|
+ // 如果设置了提示信息则鼠标放上去提示.
|
|
|
+ if (StringUtils.isNotEmpty(attr.prompt()))
|
|
|
+ {
|
|
|
+ // 这里默认设了2-101列提示.
|
|
|
+ setXSSFPrompt(sheet, "", attr.prompt(), 1, 100, column, column);
|
|
|
+ }
|
|
|
+ // 如果设置了combo属性则本列只能选择不能输入
|
|
|
+ if (attr.combo().length > 0)
|
|
|
+ {
|
|
|
+ // 这里默认设了2-101列只能选择不能输入.
|
|
|
+ setXSSFValidation(sheet, attr.combo(), 1, 100, column, column);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 添加单元格
|
|
|
+ */
|
|
|
+ public Cell addCell(Excel attr, Row row, T vo, Field field, int column)
|
|
|
+ {
|
|
|
+ Cell cell = null;
|
|
|
+ try
|
|
|
+ {
|
|
|
+ // 设置行高
|
|
|
+ row.setHeight((short) (attr.height() * 20));
|
|
|
+ // 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列.
|
|
|
+ if (attr.isExport())
|
|
|
+ {
|
|
|
+ // 创建cell
|
|
|
+ cell = row.createCell(column);
|
|
|
+ cell.setCellStyle(styles.get("data"));
|
|
|
+
|
|
|
+ // 用于读取对象中的属性
|
|
|
+ Object value = getTargetValue(vo, field, attr);
|
|
|
+ String dateFormat = attr.dateFormat();
|
|
|
+ String readConverterExp = attr.readConverterExp();
|
|
|
+ if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
|
|
|
+ {
|
|
|
+ cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value));
|
|
|
+ }
|
|
|
+ else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
|
|
|
+ {
|
|
|
+ cell.setCellValue(convertByExp(String.valueOf(value), readConverterExp));
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ // 设置列类型
|
|
|
+ setCellVo(value, attr, cell);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ catch (Exception e)
|
|
|
+ {
|
|
|
+ log.error("导出Excel失败{}", e);
|
|
|
+ }
|
|
|
+ return cell;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 设置 POI XSSFSheet 单元格提示
|
|
|
+ *
|
|
|
+ * @param sheet 表单
|
|
|
+ * @param promptTitle 提示标题
|
|
|
+ * @param promptContent 提示内容
|
|
|
+ * @param firstRow 开始行
|
|
|
+ * @param endRow 结束行
|
|
|
+ * @param firstCol 开始列
|
|
|
+ * @param endCol 结束列
|
|
|
+ */
|
|
|
+ public void setXSSFPrompt(Sheet sheet, String promptTitle, String promptContent, int firstRow, int endRow,
|
|
|
+ int firstCol, int endCol)
|
|
|
+ {
|
|
|
+ DataValidationHelper helper = sheet.getDataValidationHelper();
|
|
|
+ DataValidationConstraint constraint = helper.createCustomConstraint("DD1");
|
|
|
+ CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
|
|
|
+ DataValidation dataValidation = helper.createValidation(constraint, regions);
|
|
|
+ dataValidation.createPromptBox(promptTitle, promptContent);
|
|
|
+ dataValidation.setShowPromptBox(true);
|
|
|
+ sheet.addValidationData(dataValidation);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 设置某些列的值只能输入预制的数据,显示下拉框.
|
|
|
+ *
|
|
|
+ * @param sheet 要设置的sheet.
|
|
|
+ * @param textlist 下拉框显示的内容
|
|
|
+ * @param firstRow 开始行
|
|
|
+ * @param endRow 结束行
|
|
|
+ * @param firstCol 开始列
|
|
|
+ * @param endCol 结束列
|
|
|
+ * @return 设置好的sheet.
|
|
|
+ */
|
|
|
+ public void setXSSFValidation(Sheet sheet, String[] textlist, int firstRow, int endRow, int firstCol, int endCol)
|
|
|
+ {
|
|
|
+ DataValidationHelper helper = sheet.getDataValidationHelper();
|
|
|
+ // 加载下拉列表内容
|
|
|
+ DataValidationConstraint constraint = helper.createExplicitListConstraint(textlist);
|
|
|
+ // 设置数据有效性加载在哪个单元格上,四个参数分别是:起始行、终止行、起始列、终止列
|
|
|
+ CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
|
|
|
+ // 数据有效性对象
|
|
|
+ DataValidation dataValidation = helper.createValidation(constraint, regions);
|
|
|
+ // 处理Excel兼容性问题
|
|
|
+ if (dataValidation instanceof XSSFDataValidation)
|
|
|
+ {
|
|
|
+ dataValidation.setSuppressDropDownArrow(true);
|
|
|
+ dataValidation.setShowErrorBox(true);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ dataValidation.setSuppressDropDownArrow(false);
|
|
|
+ }
|
|
|
+
|
|
|
+ sheet.addValidationData(dataValidation);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 解析导出值 0=男,1=女,2=未知
|
|
|
+ *
|
|
|
+ * @param propertyValue 参数值
|
|
|
+ * @param converterExp 翻译注解
|
|
|
+ * @return 解析后值
|
|
|
+ * @throws Exception
|
|
|
+ */
|
|
|
+ public static String convertByExp(String propertyValue, String converterExp) throws Exception
|
|
|
+ {
|
|
|
+ try
|
|
|
+ {
|
|
|
+ String[] convertSource = converterExp.split(",");
|
|
|
+ for (String item : convertSource)
|
|
|
+ {
|
|
|
+ String[] itemArray = item.split("=");
|
|
|
+ if (itemArray[0].equals(propertyValue))
|
|
|
+ {
|
|
|
+ return itemArray[1];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ catch (Exception e)
|
|
|
+ {
|
|
|
+ throw e;
|
|
|
+ }
|
|
|
+ return propertyValue;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 反向解析值 男=0,女=1,未知=2
|
|
|
+ *
|
|
|
+ * @param propertyValue 参数值
|
|
|
+ * @param converterExp 翻译注解
|
|
|
+ * @return 解析后值
|
|
|
+ * @throws Exception
|
|
|
+ */
|
|
|
+ public static String reverseByExp(String propertyValue, String converterExp) throws Exception
|
|
|
+ {
|
|
|
+ try
|
|
|
+ {
|
|
|
+ String[] convertSource = converterExp.split(",");
|
|
|
+ for (String item : convertSource)
|
|
|
+ {
|
|
|
+ String[] itemArray = item.split("=");
|
|
|
+ if (itemArray[1].equals(propertyValue))
|
|
|
+ {
|
|
|
+ return itemArray[0];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ catch (Exception e)
|
|
|
+ {
|
|
|
+ throw e;
|
|
|
+ }
|
|
|
+ return propertyValue;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 编码文件名
|
|
|
+ */
|
|
|
+ public String encodingFilename(String filename)
|
|
|
+ {
|
|
|
+ filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx";
|
|
|
+ return filename;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 获取下载路径
|
|
|
+ *
|
|
|
+ * @param filename 文件名称
|
|
|
+ */
|
|
|
+ public String getAbsoluteFile(String filename)
|
|
|
+ {
|
|
|
+ String downloadPath = RuoYiConfig.getDownloadPath() + filename;
|
|
|
+ File desc = new File(downloadPath);
|
|
|
+ if (!desc.getParentFile().exists())
|
|
|
+ {
|
|
|
+ desc.getParentFile().mkdirs();
|
|
|
+ }
|
|
|
+ return downloadPath;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 获取bean中的属性值
|
|
|
+ *
|
|
|
+ * @param vo 实体对象
|
|
|
+ * @param field 字段
|
|
|
+ * @param excel 注解
|
|
|
+ * @return 最终的属性值
|
|
|
+ * @throws Exception
|
|
|
+ */
|
|
|
+ private Object getTargetValue(T vo, Field field, Excel excel) throws Exception
|
|
|
+ {
|
|
|
+ Object o = field.get(vo);
|
|
|
+ if (StringUtils.isNotEmpty(excel.targetAttr()))
|
|
|
+ {
|
|
|
+ String target = excel.targetAttr();
|
|
|
+ if (target.indexOf(".") > -1)
|
|
|
+ {
|
|
|
+ String[] targets = target.split("[.]");
|
|
|
+ for (String name : targets)
|
|
|
+ {
|
|
|
+ o = getValue(o, name);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ o = getValue(o, target);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return o;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 以类的属性的get方法方法形式获取值
|
|
|
+ *
|
|
|
+ * @param o
|
|
|
+ * @param name
|
|
|
+ * @return value
|
|
|
+ * @throws Exception
|
|
|
+ */
|
|
|
+ private Object getValue(Object o, String name) throws Exception
|
|
|
+ {
|
|
|
+ if (StringUtils.isNotEmpty(name))
|
|
|
+ {
|
|
|
+ Class<?> clazz = o.getClass();
|
|
|
+ String methodName = "get" + name.substring(0, 1).toUpperCase() + name.substring(1);
|
|
|
+ Method method = clazz.getMethod(methodName);
|
|
|
+ o = method.invoke(o);
|
|
|
+ }
|
|
|
+ return o;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 得到所有定义字段
|
|
|
+ */
|
|
|
+ private void createExcelField()
|
|
|
+ {
|
|
|
+ this.fields = new ArrayList<Object[]>();
|
|
|
+ List<Field> tempFields = new ArrayList<>();
|
|
|
+ tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
|
|
|
+ tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
|
|
|
+ for (Field field : tempFields)
|
|
|
+ {
|
|
|
+ // 单注解
|
|
|
+ if (field.isAnnotationPresent(Excel.class))
|
|
|
+ {
|
|
|
+ putToField(field, field.getAnnotation(Excel.class));
|
|
|
+ }
|
|
|
+
|
|
|
+ // 多注解
|
|
|
+ if (field.isAnnotationPresent(Excels.class))
|
|
|
+ {
|
|
|
+ Excels attrs = field.getAnnotation(Excels.class);
|
|
|
+ Excel[] excels = attrs.value();
|
|
|
+ for (Excel excel : excels)
|
|
|
+ {
|
|
|
+ putToField(field, excel);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 放到字段集合中
|
|
|
+ */
|
|
|
+ private void putToField(Field field, Excel attr)
|
|
|
+ {
|
|
|
+ if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
|
|
|
+ {
|
|
|
+ this.fields.add(new Object[] { field, attr });
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 创建一个工作簿
|
|
|
+ */
|
|
|
+ public void createWorkbook()
|
|
|
+ {
|
|
|
+ this.wb = new SXSSFWorkbook(500);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 创建工作表
|
|
|
+ *
|
|
|
+ * @param sheetNo sheet数量
|
|
|
+ * @param index 序号
|
|
|
+ */
|
|
|
+ public void createSheet(double sheetNo, int index)
|
|
|
+ {
|
|
|
+ this.sheet = wb.createSheet();
|
|
|
+ this.styles = createStyles(wb);
|
|
|
+ // 设置工作表的名称.
|
|
|
+ if (sheetNo == 0)
|
|
|
+ {
|
|
|
+ wb.setSheetName(index, sheetName);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ wb.setSheetName(index, sheetName + index);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 获取单元格值
|
|
|
+ *
|
|
|
+ * @param row 获取的行
|
|
|
+ * @param column 获取单元格列号
|
|
|
+ * @return 单元格值
|
|
|
+ */
|
|
|
+ public Object getCellValue(Row row, int column)
|
|
|
+ {
|
|
|
+ if (row == null)
|
|
|
+ {
|
|
|
+ return row;
|
|
|
+ }
|
|
|
+ Object val = "";
|
|
|
+ try
|
|
|
+ {
|
|
|
+ Cell cell = row.getCell(column);
|
|
|
+ if (cell != null)
|
|
|
+ {
|
|
|
+ if (cell.getCellTypeEnum() == CellType.NUMERIC || cell.getCellTypeEnum() == CellType.FORMULA)
|
|
|
+ {
|
|
|
+ val = cell.getNumericCellValue();
|
|
|
+ if (HSSFDateUtil.isCellDateFormatted(cell))
|
|
|
+ {
|
|
|
+ val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ if ((Double) val % 1 > 0)
|
|
|
+ {
|
|
|
+ val = new DecimalFormat("0.00").format(val);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ val = new DecimalFormat("0").format(val);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if (cell.getCellTypeEnum() == CellType.STRING)
|
|
|
+ {
|
|
|
+ val = cell.getStringCellValue();
|
|
|
+ }
|
|
|
+ else if (cell.getCellTypeEnum() == CellType.BOOLEAN)
|
|
|
+ {
|
|
|
+ val = cell.getBooleanCellValue();
|
|
|
+ }
|
|
|
+ else if (cell.getCellTypeEnum() == CellType.ERROR)
|
|
|
+ {
|
|
|
+ val = cell.getErrorCellValue();
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+ }
|
|
|
+ catch (Exception e)
|
|
|
+ {
|
|
|
+ return val;
|
|
|
+ }
|
|
|
+ return val;
|
|
|
+ }
|
|
|
+}
|